Title: Discrimination of waste cooking oil by near infrared spectroscopy
Abstract: The absorbance spectra of edible vegetable oil and waste cooking oil were researched.After pre-treatment of the spectra based on baseline calibration and first-order derivative,the intensity proportion of edible vegetable oil at 885 nm and 897 nm was larger than 1.4,and that of waste cooking oil was smaller than 1.1,which could be used to discriminate the two kinds of oil.Edible vegetable oil had obvious peaks at 2 430-2 445 nm and 2 465-2 485 nm,but waste cooking oil did not have.Experiment results showed that near infrared spectroscopy could be used to distinguish between edible vegetable oil and waste cooking oil.
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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